Joel Finnigan defeated Robbie Koenig 7-5 6-4 in the USA 2 Masters 3 round of 64 on clay. The upset overturned the form book — Robbie Koenig came in leading the head-to-head 1–0. Joel Finnigan claimed a first win over Robbie Koenig in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1991-07-01 | USA 4 Masters 3 | R64 | hard | Robbie Koenig | 6-0 6-3 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.